GEOPHYSICAL OBSERVATORY REPORTS, YEAR 1967 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 1968)
1967
GEOPHYSICAL OBSERVATORY REPORTS OF THE GEOPHYSICAL RESEARCH LABORATORY OF THE HUNGARIAN ACADEMY OF SCIENCES YEAR 19 67 OBSERVATORY OF NAGYCENK REPORT ON I. EARTH CURRENTS II. GEOMAGNETISM III. ATMOSPHERIC ELECTRICITY IV. IONOSPHERE EDITED BY THE DIRECTOR SOPRON 1968